How does public health position itself in this cross-current of trends?
在多种趋势并存的环境下，如何开展公共卫生工作呢？
2
The law of cross-current varying as the slot inclination and the contact conductivity is analysed.
本文还分析了横向电流随槽斜度及接触电导率的变化规律。
3
Public health now finds itself caught in a cross-current of rising expectations and ambitions, set against rising demands and costs, at a time when funds are stagnant or shrinking.